CDL PRACTICE TEST (DE) - GENERAL KNOWLEDGE TEST
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The CDL general knowledge test is required to be taken by all CDL applicants. The Delaware CDL test consists of 50 questions. To pass, you must correctly answer at least 40 questions (80%). The general knowledge test covers the contents of the Delaware CDL Manual.
All CDL applicants (Class A, B and C) must study the following sections: Driving Safely, Transporting Cargo Safely, Air Brakes (if you plan to operate vehicles equipped with air brakes), Vehicle Inspection Test, Basic Control Skills Test, Road Test. In addition, the Class A CDL test will include questions based on the Combination Vehicles section. Take this CDL practice test now to prepare for the actual DE general knowledge test!
To get your CDL, you must pass both the knowledge and skills tests. CDL knowledge tests include: General Knowledge, Passenger Transport, Air Brakes, Combination Vehicles, Hazardous Materials, Tanker Vehicles, Doubles/Triples, School Bus, Firefighter. Depending on what class of license (A, B or C) and endorsements you need, you must take one or more knowledge tests. A special endorsement is also required to drive certain types of vehicles. The following endorsements may be used with a Class A, B or C CDL: HazMat (H), Tank Vehicles (N), Tank Vehicles Transporting Hazardous Materials (X) and Passenger Transport (P). The School Bus endorsement (S) is only available for Class A or B CDL, and the Doubles/Triples endorsement (T) is only available for Class A driver's licenses.
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1.
Which of the following can cause front-wheel skid?
Lack of tread on the front tires.
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Driving too fast for conditions.
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Cargo loaded so not enough weight is on the front axle.
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All of the above.
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2.
When driving in extremely hot weather, if the air pressure in the tires is too high, you should:
continue driving.
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stop and remain stopped until the tires cool off.
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call your supervisor.
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let air out of the tires to decrease pressure.
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3.
The earliest way to recognize that your trailer has started to skid is:
by checking the jackknife sensor.
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by releasing the brakes.
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by hearing squeaking noises from the wheels.
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by checking your mirrors.
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4.
When going down a long downgrade, the speed of your vehicle will likely:
stay the same.
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decrease.
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increase.
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None of the above.
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5.
The first thing to do at an accident scene is to:
keep another accident from happening in the same spot.
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call for assistance.
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help any injured parties.
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file an accident report.
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6.
When your rear wheels lock up, you may:
gain better control of the vehicle.
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skid, jackknife, or spin
the vehicle.
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lose steering control.
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All of the above.
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7.
On ramp/off ramp curves should be taken:
slightly above the posted speeds.
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slightly below the posted speeds.
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well below the posted speeds.
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at the posted speeds.
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8.
When going down a hill, you should downshift:
as you go downhill.
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after starting down a hill.
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before you start going downhill.
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at the bottom of the hill.
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9.
ABS helps you:
brake harder.
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stop faster.
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drive faster.
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None of the above.
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10.
When a tire fails, do NOT:
stay off the brake until the vehicle has slowed down.
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keep a firm grip on the steering wheel.
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brake, unless you're about to run into something.
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None of the above.
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CDL Knowledge Test DE
Number of questions: | 50 |
Correct answers to pass: | 40 |
Passing score: | 80% |
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